Cheap flights from Allentown, PA to San Francisco, CA
Flights starting at $120. Choose between Allegiant Air, Frontier Airlines, or Spirit Airlines to find the best price.
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Tips to know when travelling to San Francisco
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The most popular airlines for this route are Allegiant Air, Frontier Airlines, Spirit Airlines, United Airlines, and Alaska Airlines. Allentown and San Francisco have 195 direct flights per week. When you arrive at San Francisco, consider visiting Alcatraz, Big Sur, and Golden Gate Bridge.
Check-in for a flight from Allentown to San Francisco
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in San Francisco
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 14°C | 7°C |
February | 15°C | 8°C |
March | 15°C | 8°C |
April | 17°C | 9°C |
May | 19°C | 10°C |
June | 21°C | 12°C |
July | 22°C | 13°C |
August | 22°C | 14°C |
September | 23°C | 14°C |
October | 21°C | 13°C |
November | 17°C | 10°C |
December | 13°C | 8°C |
14 day forecast
Frequently asked questions
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Flights from Allentown
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Flights to San Francisco
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Airports near Allentown
- John F. Kennedy International
- Newark Liberty International
- LaGuardia
- Philadelphia International
- Baltimore–Washington International
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- New York Stewart International Airport
- Ronald Reagan Washington National
- Long Island MacArthur
- Trenton–Mercer